31011144354245 has 32 divisors (see below), whose sum is σ = 41055728688000. Its totient is φ = 22298420193280.

The previous prime is 31011144354227. The next prime is 31011144354257. The reversal of 31011144354245 is 54245344111013.

It is not a de Polignac number, because 31011144354245 - 2³² = 31006849386949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31011144354199 and 31011144354208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64663901 + ... + 65141709.

It is an arithmetic number, because the mean of its divisors is an integer number (1282991521500).

Almost surely, 2^{31011144354245} is an apocalyptic number.

It is an amenable number.

31011144354245 is a deficient number, since it is larger than the sum of its proper divisors (10044584333755).

31011144354245 is a wasteful number, since it uses less digits than its factorization.

31011144354245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491173.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 31011144354245 its reverse (54245344111013), we get a palindrome (85256488465258).

The spelling of 31011144354245 in words is "thirty-one trillion, eleven billion, one hundred forty-four million, three hundred fifty-four thousand, two hundred forty-five".